When did momondo last update prices for flights from Houston to Islip Long Island Airport?

Prices for flights from Houston to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from Houston to Islip Long Island Airport?

There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.

How old do you have to be to fly from Houston to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$71 Cheap Flights from Houston to Islip in 2026

1 adult

0 bags

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Find the cheapest flights from Houston to New York

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:27 pm - 9:48 am

IAH

ISP

17h 21m1 stop

1:22 pm - 8:40 am

ISP

IAH

20h 18m1 stop

$170Frontier

Thu, Mar 12 - Mon, Mar 23

3:27 pm - 9:48 am

IAH

ISP

17h 21m1 stop

4:34 pm - 7:29 am

ISP

IAH

15h 55m1 stop

$203Frontier

Thu, Mar 12 - Sun, Mar 22

4:20 pm - 12:33 pm

IAH

ISP

19h 13m1 stop

1:22 pm - 8:40 am

ISP

IAH

20h 18m1 stop

$208Multiple Airlines

Sun, Mar 15 - Mon, Mar 23

11:02 am - 7:28 pm

IAH

ISP

7h 26m1 stop

11:50 am - 1:06 pm

ISP

IAH

26h 16m1 stop

$219Multiple Airlines

Sat, Feb 14 - Wed, Feb 18

3:27 pm - 9:48 am

IAH

ISP

17h 21m1 stop

10:43 am - 8:08 pm

ISP

IAH

10h 25m1 stop

$226Frontier

Thu, Mar 12 - Sat, Mar 21

9:15 pm - 4:13 pm

IAH

ISP

17h 58m1 stop

1:22 pm - 8:40 am

ISP

IAH

20h 18m1 stop

$236Frontier

Wed, Mar 11 - Mon, Mar 23

7:55 am - 2:20 pm

HOU

ISP

5h 25m1 stop

3:45 pm - 8:45 pm

ISP

HOU

6h 00m1 stop

$281Southwest

Sat, Feb 14 - Wed, Feb 18

5:05 am - 12:05 pm

HOU

ISP

6h 00m1 stop

12:40 pm - 7:40 pm

ISP

HOU

8h 00m2 stops

$286Southwest

Sat, Feb 14 - Wed, Feb 18

9:05 am - 6:20 pm

HOU

ISP

8h 15m2 stops

12:40 pm - 7:45 pm

ISP

HOU

8h 05m2 stops

$291Southwest

Sat, Feb 14 - Wed, Feb 18

5:00 am - 11:40 am

HOU

ISP

5h 40m1 stop

11:45 am - 11:15 pm

ISP

HOU

12h 30m1 stop

$367Southwest

Fri, Mar 13 - Sun, Mar 22

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets

Frontier

Mar 12

IAH3:27 pmHouston George Bush Intcntl

17h 21m

1 stop

ISP9:48 amIslip Long Island

Mar 23

ISP1:22 pmIslip Long Island

20h 18m

1 stop

IAH8:40 amHouston George Bush Intcntl

$170

Frontier

Jan 14

IAH8:16 pmHouston George Bush Intcntl

11h 39m

1 stop

ISP8:55 amIslip Long Island

Jan 20

ISP12:00 pmIslip Long Island

10h 57m

1 stop

IAH9:57 pmHouston George Bush Intcntl

$201

Frontier

Jan 17

IAH8:16 pmHouston George Bush Intcntl

11h 39m

1 stop

ISP8:55 amIslip Long Island

Jan 20

ISP12:00 pmIslip Long Island

10h 57m

1 stop

IAH9:57 pmHouston George Bush Intcntl

$202

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets

Southwest

Feb 14

HOU7:55 amHouston Hobby

5h 25m

1 stop

ISP2:20 pmIslip Long Island

Feb 18

ISP3:45 pmIslip Long Island

6h 00m

1 stop

HOU8:45 pmHouston Hobby

$281

Southwest

Feb 14

HOU5:05 amHouston Hobby

6h 00m

1 stop

ISP12:05 pmIslip Long Island

Feb 18

ISP12:40 pmIslip Long Island

8h 00m

2 stops

HOU7:40 pmHouston Hobby

$286

Southwest

Feb 14

HOU9:05 amHouston Hobby

8h 15m

2 stops

ISP6:20 pmIslip Long Island

Feb 18

ISP12:40 pmIslip Long Island

8h 05m

2 stops

HOU7:45 pmHouston Hobby

$291

Fly from

Fly to

Route

Depart

Return

Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 3/12

3:27 pm-9:48 am

1 stop17h 21m

Islip Long Island

Mon 3/23

1:22 pm-8:40 am

1 stop20h 18m

$170

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 3/12

3:27 pm-9:48 am

1 stop17h 21m

Islip Long Island

Sun 3/22

4:34 pm-7:29 am

1 stop15h 55m

$203

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sun 3/15

4:20 pm-12:33 pm

1 stop19h 13m

Islip Long Island

Mon 3/23

1:22 pm-8:40 am

1 stop20h 18m

$208

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 2/14

11:02 am-7:28 pm

1 stop7h 26m

Islip Long Island

Wed 2/18

11:50 am-1:06 pm

1 stop26h 16m

$219

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 3/12

3:27 pm-9:48 am

1 stop17h 21m

Islip Long Island

Sat 3/21

10:43 am-8:08 pm

1 stop10h 25m

$226

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 3/11

9:15 pm-4:13 pm

1 stop17h 58m

Islip Long Island

Mon 3/23

1:22 pm-8:40 am

1 stop20h 18m

$236

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 2/14

7:55 am-2:20 pm

1 stop5h 25m

Islip Long Island

Wed 2/18

3:45 pm-8:45 pm

1 stop6h 00m

$281

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 2/14

5:05 am-12:05 pm

1 stop6h 00m

Islip Long Island

Wed 2/18

12:40 pm-7:40 pm

2 stops8h 00m

$286

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 2/14

9:05 am-6:20 pm

2 stops8h 15m

Islip Long Island

Wed 2/18

12:40 pm-7:45 pm

2 stops8h 05m

$291

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Fri 3/13

5:00 am-11:40 am

1 stop5h 40m

Islip Long Island

Sun 3/22

11:45 am-11:15 pm

1 stop12h 30m

$367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston to Islip Long Island?

Frontier and Southwest are the most popular carriers operating from Houston to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Houston according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Fastest flight time	6h 30m
Direct flights	None

The fastest flight from Houston to Islip, New York takes 6h 30m

There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.

Search flight deals

How far is Houston to Islip Long Island by plane?
Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 6h 30m.
When did momondo last update prices for flights from Houston to Islip Long Island Airport?
Prices for flights from Houston to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Houston to Islip Long Island Airport?
There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.
How old do you have to be to fly from Houston to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $336	Free Cancellation	Rating 8.0 4,250 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.